520055920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{30809}}^1$

素因数の和:31033

約数の個数: 40

約数和(自身を含む): 1214899920

約数和(自身を除く): 694844000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 30809, 61618, 123236, 154045, 246472, 308090, 492944, 616180, 1232360, 2464720, 6500699, 13001398, 26002796, 32503495, 52005592, 65006990, 104011184, 130013980, 260027960, 520055920]

約数ペア:

[(1, 520055920), (2, 260027960), (4, 130013980), (5, 104011184), (8, 65006990), (10, 52005592), (16, 32503495), (20, 26002796), (40, 13001398), (80, 6500699), (211, 2464720), (422, 1232360), (844, 616180), (1055, 492944), (1688, 308090), (2110, 246472), (3376, 154045), (4220, 123236), (8440, 61618), (16880, 30809)]